I took the index in the words, transformed the amount to binary, included three zeros, calculated the sha256 digest, took the main Portion of the hexadecimal to convert it to binary, extra a few zeros for the 8 digits of your binary and bought 00000010011 which interprets to 19 in https://livebookmarking.com/story19011195/top-latest-five-bip39-seed-phrase-mnemonics-generator-urban-news